44. f1e1 A human reaction, preventing the check on d2. Unfortunately, human moves aren't always the best. 44... f7f6 An interesting and difficult move. Ding removes the pawn from the seventh rank so that a rook on c7 doesn't attack it. 45. h3h4  45... d7d3 Activating the rook. 46. f3d1 Played after some hesitation and allowing Black to escape with a draw.